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29470254 = 23111971331
BaseRepresentation
bin111000001101…
…0111000101110
32001110020120220
41300122320232
530021022004
62531352210
7505331052
oct160327056
961406526
1029470254
11156a9490
129a52666
13614ab28
143cb1c62
1528c1dd9
hex1c1ae2e

29470254 has 64 divisors (see below), whose sum is σ = 68843520. Its totient is φ = 8316000.

The previous prime is 29470253. The next prime is 29470271. The reversal of 29470254 is 45207492.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29470253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88869 + ... + 89199.

It is an arithmetic number, because the mean of its divisors is an integer number (1075680).

Almost surely, 229470254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29470254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34421760).

29470254 is an abundant number, since it is smaller than the sum of its proper divisors (39373266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29470254 is a wasteful number, since it uses less digits than its factorization.

29470254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 29470254 is about 5428.6512136994. The cubic root of 29470254 is about 308.8834407100.

The spelling of 29470254 in words is "twenty-nine million, four hundred seventy thousand, two hundred fifty-four".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 71 114 142 209 213 331 418 426 627 662 781 993 1254 1349 1562 1986 2343 2698 3641 4047 4686 6289 7282 8094 10923 12578 14839 18867 21846 23501 29678 37734 44517 47002 69179 70503 89034 138358 141006 207537 258511 415074 446519 517022 775533 893038 1339557 1551066 2679114 4911709 9823418 14735127 29470254